2 comments:

This microbe is really interesting and it does change our view of what is necessary for life, but it's not alien. PZ Myer's blog has a more appropriate contextualization of this discovery: http://scienceblogs.com/pharyngula/2010/12/its_not_an_arsenic-based_life.php

Thanks for the clarification, Conor. I was using the word "alien" in the sense that this is life unlike any we've ever seen before, not in the extraterrestrial sense. Given some of the hype that had preceded this announcement, that's an important distinction.

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